20、We want to know what they feed the sheep            .

A．to          B．on          C．as         D．for

19、It is suggested that a new president           for this college.

A．appointed                                 B．should be appointed

C．is appointed                       D．has been appointed

18、Only three days ago        the mistake I’d made the other day.

A．did I know          B．I knew               C．do I know         D．I know

17、Poor management and leadership      widespread trouble in New Orleans in the days after Hurricane Katrina.

A．led in                    B．devoted to                C．related to              D．contributed to

16、The careless driver is         for the traffic accident that      yesterday.

A．to blame; happened                         B．to blame; was happening.

C．to be blamed; was happened       D．to be blamed; happened

15、—Congratulations on winning the first prize in the tennis game!

—             .

A．It’s nothing unusual                     B．The same as you

C．I’m just very lucky             D．Success belongs to me

14、If Tom carries on working like this, he’ll         sooner or later

A．break down         B．give out        C．get down          D．hold on

13、    arriving at the spot, the police got down to      take photos.

A．As; take         B．As; taking          C．On; take         D．On; taking

12、        Chicago of     1920s was      extremely frightening place.

A．/; the; the         B．The; the; the          C．The; the; an          D．The; /; an

11、This kind of cloth       well and        long.

A．is washed; lasts                         B．washes; lasts

C．washes; is lasted                   D．is washed; lasted